Probability Axioms
Given an event 
in a Sample Space 
which is either finite with 
elements or countably infinite with
elements, then we can write
and a quantity
, called the Probability of event 
, is defined such that- 1.
. - 2.
. - 3. Additivity:
, where 
and 
are mutuallyexclusive. - 4. Countable additivity:
for
, 2, ..., where , , ...are mutually exclusive (i.e., 
).
- Saalschützian
- Saalschütz's Theorem
- s-Additive Sequence
- Saddle
- Saddle-Node Bifurcation
- Saddle Point (Fixed Point)
- Saddle Point (Function)
- Saddle Point (Game)
- Safarevich Conjecture
- Safe
- Sagitta
- Saint Andrew's Cross
- Saint Anthony's Cross
- Saint Petersburg Paradox
- Sal
- Salamin Formula
- Salem Constants
- Salesman Problem
- Salient Point
- Salinon
- Salmon's Theorem
- Saltus
- Sample Proportion
- Sample Space
- Sample Variance